@Override
 public void shutDown() {
   converter.shutDown();
 }
 @Override
 public boolean isOperational() {
   return converter.isOperational();
 }
 @Override
 public IConversionJobWithSourceUnspecified convert(IFileSource source) {
   return new FailureAwareConversionWithSourceUnspecified(converter.convert(source));
 }
 @Override
 public Map<DocumentType, Set<DocumentType>> getSupportedConversions() {
   return converter.getSupportedConversions();
 }
 @Override
 public IConversionJobWithSourceUnspecified convert(InputStream source, boolean close) {
   return new FailureAwareConversionWithSourceUnspecified(converter.convert(source, close));
 }